package org.appenders.log4j2.elasticsearch;

/*-
 * #%L
 * log4j2-elasticsearch
 * %%
 * Copyright (C) 2021 Rafal Foltynski
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */

import java.io.OutputStream;

public interface OutputStreamProvider<BUF> {

    default OutputStream asOutputStream(ItemSource<BUF> provider) {

        if (provider instanceof OutputStreamSource) {
            return asOutputStream((OutputStreamSource) provider);
        }

        throw new IllegalArgumentException("Not an instance of " + OutputStreamSource.class.getSimpleName());

    }

    OutputStream asOutputStream(OutputStreamSource opsProvider);

}
